19908258

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2749}}^1$

素因数の和:2842

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 22859742

約数列:

[1, 2, 3, 6, 17, 34, 51, 71, 102, 142, 213, 426, 1207, 2414, 2749, 3621, 5498, 7242, 8247, 16494, 46733, 93466, 140199, 195179, 280398, 390358, 585537, 1171074, 3318043, 6636086, 9954129, 19908258]

約数ペア:

[(1, 19908258), (2, 9954129), (3, 6636086), (6, 3318043), (17, 1171074), (34, 585537), (51, 390358), (71, 280398), (102, 195179), (142, 140199), (213, 93466), (426, 46733), (1207, 16494), (2414, 8247), (2749, 7242), (3621, 5498)]